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/**
 * This file is part of Graylog.
 *
 * Graylog is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Graylog is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Graylog.  If not, see .
 */
package org.graylog2.restclient.models.api.requests;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.PropertyNamingStrategy;
import com.fasterxml.jackson.datatype.guava.GuavaModule;
import com.fasterxml.jackson.datatype.joda.JodaModule;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ApiRequest {
    private static final Logger LOG = LoggerFactory.getLogger(ApiRequest.class);

    @JsonIgnore
    private final ObjectMapper objectMapper;

    public ApiRequest(final ObjectMapper objectMapper) {
        this.objectMapper = objectMapper;
    }

    public ApiRequest() {
        this(new ObjectMapper()
                .setPropertyNamingStrategy(PropertyNamingStrategy.CAMEL_CASE_TO_LOWER_CASE_WITH_UNDERSCORES)
                .setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY)
                .registerModule(new GuavaModule())
                .registerModule(new JodaModule()));
    }

    public String toJson() {
        try {
            return objectMapper.writeValueAsString(this);
        } catch (JsonProcessingException e) {
            LOG.error("Couldn't serialize API request", e);
            return null;
        }
    }

}